(1) A person required by this Act to be registered shall, in all business letters, circulars and catalogues on or in which the business name appears and which are sent by that person to any person, state in legible characters -
(a) in the case of an individual, his present Christian name, or the initials thereof, and present surname, any former Christian names and surnames, and his nationality, if not Irish;
(b) in the case of a firm, the present Christian names, or the initials thereof, and present surnames, any former Christian names and surnames, and the nationality, if not Irish, of all the partners in the firm or, in the case of a body corporate being a partner, the corporate name;
(c) in the case of a body corporate (not being a company to which section 196 of the Companies Act, 1963, applies), its corporate name, and the present Christian name, or the initials thereof, the present surname, any former Christian names and surnames, and the nationality, if not Irish, of every direc
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